go-eol/readthiseol.go

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2023-11-29 18:18:09 +00:00
package eol
import (
"io"
)
// ReadThisEOL tries to read the specified end-of-line sequence.
//
// The end-of-line sequences it supports are:
//
// line-feed (LF) (U+000A) ('\n')
// carriage-return (CR) (U+000D) ('\r')
// carriage-return, line-feed ("\r\n")
// next-line (NEL) (U+0085)
// line-separator (LS) (U+2028)
//
// If successful, ReadThisEOL return the number-of-bytes read (to read in the specified end-of-line sequence).
//
// Example usage:
///
// size, err := eol.ReadThisEOL(runescanner, eol.CRLF)
func ReadThisEOL(runescanner io.RuneScanner, endofline string) (size int, err error) {
if nil == runescanner {
return 0, errNilRuneScanner
}
switch endofline {
case LF:
return ReadLF(runescanner)
case CR:
return ReadCR(runescanner)
case CRLF:
return ReadCRLF(runescanner)
case NEL:
return ReadNEL(runescanner)
case LS:
return ReadLS(runescanner)
default:
return 0, errUnrecognizedEOL(endofline)
}
}